Vulnerability Description
Integer overflow in proto.c in libotr before 4.1.1 on 64-bit platforms allows remote attackers to cause a denial of service (memory corruption and application crash) or execute arbitrary code via a series of large OTR messages, which triggers a heap-based buffer overflow.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 7.0 |
| Opensuse | Leap | 42.1 |
| Opensuse | Opensuse | 13.2 |
| Cypherpunks | Libotr | <= 4.1.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00021.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00030.htmlVendor Advisory
- http://seclists.org/fulldisclosure/2016/Mar/21ExploitMailing ListThird Party Advisory
- http://www.debian.org/security/2016/dsa-3512Third Party Advisory
- http://www.securityfocus.com/archive/1/537745/100/0/threadedThird Party Advisory
- http://www.securityfocus.com/bid/84285Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2926-1Third Party Advisory
- https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002581.htmlExploit
- https://security.gentoo.org/glsa/201701-10Third Party Advisory
- https://www.exploit-db.com/exploits/39550/Third Party AdvisoryVDB Entry
- https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/Exploit
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00021.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00030.htmlVendor Advisory
- http://seclists.org/fulldisclosure/2016/Mar/21ExploitMailing ListThird Party Advisory
- http://www.debian.org/security/2016/dsa-3512Third Party Advisory
FAQ
What is CVE-2016-2851?
CVE-2016-2851 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Integer overflow in proto.c in libotr before 4.1.1 on 64-bit platforms allows remote attackers to cause a denial of service (memory corruption and application crash) or execute arbitrary code via a se...
How severe is CVE-2016-2851?
CVE-2016-2851 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2016-2851?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Opensuse Leap, Opensuse Opensuse, Cypherpunks Libotr.